这是压缩和解压缩的代码。如果您查看它的解压缩部分,您会看到它像目录一样读取 zip 文件的位置。然后您可以选择是否要提取该文件。
Private Declare Sub Sleep Lib "kernel32" ( _
ByVal dwMilliseconds As Long _
)
Public Sub Zip( _
ZipFile As String, _
InputFile As String _
)
On Error GoTo ErrHandler
Dim FSO As Object 'Scripting.FileSystemObject
Dim oApp As Object 'Shell32.Shell
Dim oFld As Object 'Shell32.Folder
Dim oShl As Object 'WScript.Shell
Dim I As Long
Dim l As Long
Set FSO = CreateObject("Scripting.FileSystemObject")
If Not FSO.FileExists(ZipFile) Then
'Create empty ZIP file
FSO.CreateTextFile(ZipFile, True).Write "PK" & Chr(5) & Chr(6) & String(18, vbNullChar)
End If
Set oApp = CreateObject("Shell.Application")
Set oFld = oApp.NameSpace(CVar(ZipFile))
I = oFld.Items.Count
oFld.CopyHere (InputFile)
Set oShl = CreateObject("WScript.Shell")
'Search for a Compressing dialog
Do While oShl.AppActivate("Compressing...") = False
If oFld.Items.Count > I Then
'There's a file in the zip file now, but
'compressing may not be done just yet
Exit Do
End If
If l > 30 Then
'3 seconds has elapsed and no Compressing dialog
'The zip may have completed too quickly so exiting
Exit Do
End If
DoEvents
Sleep 100
l = l + 1
Loop
' Wait for compression to complete before exiting
Do While oShl.AppActivate("Compressing...") = True
DoEvents
Sleep 100
Loop
ExitProc:
On Error Resume Next
Set FSO = Nothing
Set oFld = Nothing
Set oApp = Nothing
Set oShl = Nothing
Exit Sub
ErrHandler:
Select Case Err.Number
Case Else
MsgBox "Error " & Err.Number & ": " & Err.Description, vbCritical, "Unexpected error"
End Select
Resume ExitProc
Resume
End Sub
Public Sub UnZip( _
ZipFile As String, _
Optional TargetFolderPath As String = vbNullString, _
Optional OverwriteFile As Boolean = False _
)
'On Error GoTo ErrHandler
Dim oApp As Object
Dim FSO As Object
Dim fil As Object
Dim DefPath As String
Dim strDate As String
Set FSO = CreateObject("Scripting.FileSystemObject")
If Len(TargetFolderPath) = 0 Then
DefPath = CurrentProject.Path & "\"
Else
If Not FSO.FolderExists(TargetFolderPath) Then
MkDir TargetFolderPath
End If
DefPath = TargetFolderPath & "\"
End If
If FSO.FileExists(ZipFile) = False Then
MsgBox "System could not find " & ZipFile & " upgrade cancelled.", vbInformation, "Error Unziping File"
Exit Sub
Else
'Extract the files into the newly created folder
Set oApp = CreateObject("Shell.Application")
With oApp.NameSpace(ZipFile & "\")
If OverwriteFile Then
For Each fil In .Items
If FSO.FileExists(DefPath & fil.Name) Then
Kill DefPath & fil.Name
End If
Next
End If
oApp.NameSpace(CVar(DefPath)).CopyHere .Items
End With
On Error Resume Next
Kill Environ("Temp") & "\Temporary Directory*"
'Kill zip file
Kill ZipFile
End If
ExitProc:
On Error Resume Next
Set oApp = Nothing
Exit Sub
ErrHandler:
Select Case Err.Number
Case Else
MsgBox "Error " & Err.Number & ": " & Err.Description, vbCritical, "Unexpected error"
End Select
Resume ExitProc
Resume
End Sub